Which of the following is a product of producers in an ecosystem? 1. nitrogen
2.carbon
3. carbohydrates
4. carbon dioxide ​

In the following is a product of producers in an ecosystem

answer; ///(b) it is composed of four protein chains and four heme groups;

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.